KK82C55 Просмотр технического описания (PDF) - Kodenshi Auk Co., LTD
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KK82C55 Datasheet PDF : 22 Pages
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KK82C55A
CONTROL WORD
D7 D6 D5 D4 D3 D2 D1 D0
1 1 X X X 0 1 1/0
PC2-0
1 = INPUT
0 = OUTPUT
MODE 2 AND MODE 0 (INPUT) WR
RD
PC3
INTRA
PA7-PA0
PC7
8
CONTROL WORD
D7 D6 D5 D4 D3 D2 D1 D0
OBFA
1 1 X X X 0 0 1/0
PC6
PC4
PC5
PC2-0
ACKA
STBA
IBFA
PC2-0
1 = INPUT
0 = OUTPUT
3
MODE 2 AND MODE 0 (OUTPUT) WR
RD
PB7-PB0 8
PC3
PA7-PA0
PC7
PC6
PC4
PC5
PC2-0
INTRA
8
OBFA
ACKA
STBA
IBFA
3
PB7-PB0 8
CONTROL WORD
D7 D6 D5 D4 D3 D2 D1 D0
1 1 XXX 1 0 X
MODE 2 AND MODE 1 (OUTPUT) WR
RD
PC3
PA7-PA0
PC7
INTRA
8
CONTROL WORD
D7 D6 D5 D4 D3 D2 D1 D0
OBFA
1 1 XXX 1 1 X
PC6
ACKA
PC4
STBA
PC5
PB7-PB0
PC1
IBFA
8
OBFB
MODE 2 AND MODE 1 (INPUT) WR
RD
PC2
ACKB
PC0
INTRB
PC3
INTRA
PA7-PA0
8
PC7
PC6
PC4
PC5
PB7-PB0
PC1
PC2
PC0
OBFA
ACKA
STBA
IBFA
8
STBB
IBFB
INTRB
Figure 16. MODE 1/4 Combinations
Mode Definition Summary
MODE0
IN
OUT
PA0
IN
OUT
PA1
IN
OUT
PA2
IN
OUT
PA3
IN
OUT
PA4
IN
OUT
PA5
IN
OUT
PA6
IN
OUT
PA7
IN
OUT
PB0
IN
OUT
PB1
IN
OUT
PB2
IN
OUT
PB3
IN
OUT
PB4
IN
OUT
PB5
IN
OUT
PB6
IN
OUT
PB7
IN
OUT
PC0
IN
OUT
PC1
IN
OUT
PC2
IN
OUT
PC3
IN
OUT
PC4
IN
OUT
PC5
IN
OUT
PC6
IN
OUT
PC7
IN
OUT
MODE1
IN
OUT
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
INTRB
IBFB
STB B
INTRA
STB A
IBFA
I/O
I/O
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
INTRB
OBF B
ACK B
INTRA
I/O
I/O
ACK A
OBF A
MODE2
GROUP A
ONLY
↔
↔
↔
↔
↔
↔
↔
↔
-
-
-
-
-
-
-
-
I/0
I/O
I/O
INTRA
STB A
IBFA
ACK A
OBF A
MODE 0
OR
MODE1
ONLY
16
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